package com.study.sgu.hsp.tcp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;

/**
 * @author study
 * @version 1.0
 * @date 2020/9/28 22:48
 */
public class NettyClientHandler extends ChannelInboundHandlerAdapter {

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        //通道就绪就可以发送消息
        System.out.println("client " + ctx);
        ctx.writeAndFlush(Unpooled.copiedBuffer("hello server ", CharsetUtil.UTF_8));
    }

    //当通道有读取数据时会触发
    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        ByteBuf byteBuf = (ByteBuf) msg;
        System.out.println("服务器回复的消息+" + byteBuf.toString(CharsetUtil.UTF_8));
        System.out.println("服务器地址" + ctx.channel().remoteAddress());
    }
}
